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Sloan [31]
3 years ago
7

Which is a role of helpful bacteria?

Biology
2 answers:
Svetach [21]3 years ago
7 0

Answer:

Producing oxygen

Explanation:

Bacteria actually add to nutrients in soil because they decompose the organic matter such as dead bodies and such. I do not know if bacteria heal sick animals or if they prevent tooth decay rather I am sure they cause both of those.

Therefore, most plausible answer is producing oxygen because there are bacterias like cyanobacteria, or blue-green algae who go through photosynthesis and produce oxygen which is beneficial for all living beings.

Phoenix [80]3 years ago
5 0

Answer:

its B :)

Explanation:

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